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Theridiidae Coleosoma

Coleosoma blandum O. Pickard-Cambridge, 1882

Common Collared Comb-footed Spider

The dark brown to black abdomen of the male is surrounded by a silvery or light-coloured belt in the mid-section. The shape of the female abdomen is variable, but always with a bluntly pointed posterior end, and with the spinnerets pointing downwards. The abdomen is less triangular and not as pointed as in Chikunia.

Length♀ 2–3 mm; ♂ 2 mm
Type LocalitySri Lanka, South Asia
DistributionSouth Asia, Singapore, Malaysia (Johor), Thailand, Myanmar, Philippines, China, Japan, Sri Lanka.
HabitatShrubs in open areas along forest fringes.

Taxonomy

Taxonomic references*

  1. Coleosoma blandum (Original description ♂; preoccupied in Theridion by Hentz, 1850, see Theridion blandum)

    O. Pickard-Cambridge, 1882c On new genera and species of Araneidea: 427, pl. 29, f. 3 doi:10.1111/j.1096-3642.1882.tb02749.x

  2. Coleosoma blandum (♂)

    Keyserling, 1884a Die Spinnen Amerikas. Theridiidae. I. Hälfte: 212, pl. 10, f. 127 doi:10.5962/bhl.title.64832

  3. Theridion blandum (♂)

    Simon, 1894a Histoire naturelle des araignées. Deuxième édition, tome premier: 533, 536, f. 540-541 doi:10.5962/bhl.title.51973

  4. Theridion conurum (Original description ♀)

    Thorell, 1895b Descriptive catalogue of the spiders of Burma, based upon the collection made by Eugene W. Oates and preserved in the British Museum: 90 doi:10.5962/bhl.title.17492

  5. Coleosoma blandum (♂)

    Workman, 1896 Malaysian spiders: 60, pl. 60 doi:10.5962/bhl.title.101972

  6. Theridion vituperabile (replacement name; because the replacement name was supplied before 1960, Levi's retention of C. blandum is contrary to the Code, but has been followed by enough subsequent workers to merit suppression of C. vituperabile)

    Petrunkevitch, 1911 A synonymic index-catalogue of spiders of North, Central and South America with all adjacent islands, Greenland, Bermuda, West Indies, Terra del Fuego, Galapagos, etc: 210

  7. Theridion blandum (♂)

    Lessert, 1933 Araignées d'Angola: 105, f. 20-21 doi:10.5962/bhl.part.117656

  8. Theridion vituperabile

    Roewer, 1942a Katalog der Araneae von 1758 bis 1940. 1. Band (Mesothelae, Orthognatha, Labidognatha: Dysderaeformia, Scytodiformia, Pholciformia, Zodariiformia, Hersiliaeformia, Argyopiformia): 460

  9. Coleosoma blandum (♂, Transferred from Theridion, Synonym of Theridion vituperabile)

    Levi, 1959a The spider genus Coleosoma (Araneae, Theridiidae): 3, f. 18

  10. Coleosoma blandum (♂)

    Levi & Levi, 1962 The genera of the spider family Theridiidae: 46, f. 107

  11. Coleosoma blundum (♂♀, lapsus)

    Ohno & Yaginuma, 1972 Materials for the distribution of Araneae in Japan (II): 62, f. 2.1-8

  12. Coleosoma blandum (♂♀)

    Shinkai, 1977 Spiders of Tokyo III: 323, f. 4-7 doi:10.2476/asjaa.27.Specialnumber_321

  13. Chrysso acrobeles (♀, Transferred from Theridion, Synonym of Theridion conurum)

    Saaristo, 1978 Spiders (Arachnida, Araneae) from the Seychelle islands, with notes on taxonomy: 117, f. 170-174

  14. Coleosoma blandum (♀, Synonym of Chrysso acrobeles)

    Roberts, 1978 Contributions à l'étude de la faune terrestre des îles granitiques de l'archipel des Séchelles (Mission P: 915, f. 27-30

  15. Coleosoma blandum (♂♀)

    Yaginuma, 1986a Spiders of Japan in color (new ed: 48, f. 26.3

  16. Coleosoma blandum (♂♀)

    Song, 1987 Spiders from agricultural regions of China (Arachnida: Araneae): 120, f. 81

  17. Coleosoma blandum (♂♀)

    Chikuni, 1989b Pictorial encyclopedia of spiders in Japan: 33, f. 17

  18. Coleosoma blandum (♂♀)

    Amalin & Barrion, 1990 Spiders of white potato (Solanum tuberosum L: 182, f. 2a-f

  19. Coleosoma blandum (♂♀)

    Chen & Zhang, 1991 Fauna of Zhejiang: Araneida: 136, f. 128.1-6

  20. Coleosoma blandum (♂♀)

    Okuma et al., 1993 Illustrated Monograph of the Rice Field Spiders of Bangladesh. Institute of Postgraduate Studies in Agriculture (Salna, Gazipur, Bangladesh): 11, f. 10A-E

  21. Coleosoma blandum (♂♀)

    Barrion & Litsinger, 1994 Taxonomy of rice insect pests and their arthropod parasites and predators: 305, f. 1572-1574

  22. Coleosoma blandum (♂♀)

    Barrion & Litsinger, 1995 Riceland spiders of South and Southeast Asia: 427, f. 254a-b, 255a-d

  23. Coleosoma blandum (♂♀)

    Zhu, 1998 Fauna Sinica: Arachnida: Araneae: Theridiidae: 70, f. 40A-F

  24. Coleosoma blandum (♂♀)

    Song, Zhu & Chen, 1999 The spiders of China: 107, f. 52A-B, G

  25. Coleosoma blandum (♂♀)

    Hu, 2001 Spiders in Qinghai-Tibet Plateau of China: 557, f. 375.1-4, 376.1-3

  26. Coleosoma blandum (♂♀)

    Yoshida, 2003a The spider family Theridiidae (Arachnida: Araneae) from Japan: 133, f. 356-358, 363-364, 587

  27. Coleosoma blandum (♂♀)

    Saaristo, 2006 Theridiid or cobweb spiders of the granitic Seychelles islands (Araneae, Theridiidae): 59, f. 19-25

  28. Coleosoma blandum (♂♀)

    Yoshida, 2009b Uloboridae, Theridiidae, Ctenidae: 376, f. 182-185

  29. Coleosoma blandum (♂♀)

    Saaristo, 2010 Araneae: 251, f. 37.59-66

  30. Coleosoma blanda (♂♀)

    Yin et al., 2012 Fauna Hunan: Araneae in Hunan, China: 310, f. 118a-e

  31. Coleosoma blandum (♂)

    Prasad, Tyagi & Kumar, 2020 First report of the cob-web spider Coleosoma blandum O: 96, f. 1-4

  32. Coleosoma blandum (♂)

    Tharmarajan & Benjamin, 2021 New records of Coleosoma blandum O: 834, f. 1-6 doi:10.13156/arac.2021.18.8.833

  33. Coleosoma blandum (♂)

    Sarkar et al., 2022 First report of Coleosoma blandum O: 1121, f. 1-6

  34. Coleosoma blandum (♀)

    Noguchi et al., 2023 A list of spiders collected from Kyushu University Ito Campus, Fukuoka, Japan: 144, f. 3A

* Retrieved from the World Spider Catalog.

Distribution Map for Coleosoma blandum O. Pickard-Cambridge, 1882

South Asia, Singapore, Malaysia (Johor), Thailand, Myanmar, Philippines, China, Japan, Sri Lanka.

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